function popup(page,width,height) {
	popup_win = window.open(page,'','toolbar=no,location=no,directories=no,menubar=no,resizable=no,status=no,scrollbars=no,width='+width+',height='+height);
}
function imagepopup(image,width,height) {
	popup_win = window.open('imgresize.php?n='+image+'&w='+width+'&h='+height,'','toolbar=no,location=no,directories=no,menubar=no,resizable=no,status=no,scrollbars=no,width='+(width+20)+',height='+(height+30));
}
function imgpreload($img) {
	pic = new Image;
	pic.src = $img;
}

imgpreload('graphics/logo.jpg');
imgpreload('graphics/menu_btn.gif');
imgpreload('graphics/menu_btn_active.gif');
imgpreload('graphics/folder_bg.gif');
imgpreload('graphics/folder_bg_active.gif');
imgpreload('graphics/folder_up_bg.gif');
imgpreload('graphics/folder_up_bg_active.gif');